Sha256: 2ad8657a58708ac50d56ad973ce763782c2e3cfa438499ba97052ae1927f01df
Contents?: true
Size: 925 Bytes
Versions: 19
Compression:
Stored size: 925 Bytes
Contents
#include <ruby.h>
VALUE WebSocket = Qnil;
VALUE WebSocketMask = Qnil;
void Init_websocket_mask();
VALUE method_websocket_mask(VALUE self, VALUE payload, VALUE mask);
void
Init_websocket_mask()
{
WebSocket = rb_define_module("WebSocket");
WebSocketMask = rb_define_module_under(WebSocket, "Mask");
rb_define_singleton_method(WebSocketMask, "mask", method_websocket_mask, 2);
}
VALUE
method_websocket_mask(VALUE self,
VALUE payload,
VALUE mask)
{
char *payload_s, *mask_s, *unmasked_s;
int i, n;
VALUE unmasked;
if (mask == Qnil || RSTRING_LEN(mask) != 4) {
return payload;
}
payload_s = RSTRING_PTR(payload);
mask_s = RSTRING_PTR(mask);
n = RSTRING_LEN(payload);
unmasked = rb_str_new(0, n);
unmasked_s = RSTRING_PTR(unmasked);
for (i = 0; i < n; i++) {
unmasked_s[i] = payload_s[i] ^ mask_s[i % 4];
}
return unmasked;
}
Version data entries
19 entries across 19 versions & 2 rubygems